The Assistant Secretary of Defense for Legislative Affairs (OSD(LA)) is the Principal Staff Assistant and advisor to the Secretary of Defense for DoD relations with the members of the U.S. Congress.
The Office of Secretary of Defense for Legislative Affairs is responsible for providing support to the Secretary of Defense in his dealings with the White House, Cabinet Members, Members of Congress, and the Department of State. The high visibility and criticality of these actions mandate that stringent controls be placed on the receipts control, processing, preparation, dispatch, filing (including library of reference materials), research, and analysis of many forms of information.
The Assistant Secretary of Defense (ASD) for Legislative Affairs (LA) is responsible directly to the Secretary of Defense for maintaining liaison and relationships with members of Congress and the Executive Branch. In carrying out these responsibilities, the ASD heads a staff of managers, action officers, and support personnel, who manage, control, direct and monitor communications and activities involving Congress and elements of the Department of Defense (DoD), including the Office of Secretary of Defense (OSD), Joint Chiefs of Staff (JCS), the Armed Services, and Defense Agencies.